ExtJS学习笔记 layout的9种样式风格总结

extjs的容器组件都可以设置它的显示风格，它的有效值有 absolute, accordion, anchor, border, card, column, fit, form and table. 一共9种。简单总结一下，帮助记忆。

absolute 顾名思义，在容器内部，根据指定的坐标定位显示

accordion 这个是最容易记的，手风琴效果

Java代码
Ext.OnReady(function(){   
var panel=new Ext.Panel(//Ext.formPanel就是Panel中用了form布局   
      {   
       renderTo:'paneldiv',   
       title:'容器组件',   
       layout:'accordion',          
       width:500,   
       height:200,   
       layoutConfig:{animate:false},   
       items:[   
        {title:'元素1',html:''},   
        {title:'元素2',html:''},   
        {title:'元素3',html:''},   
        {title:'元素4',html:''}   
       ]   
      }   
     );   
}); 
Ext.OnReady(function(){
var panel=new Ext.Panel(//Ext.formPanel就是Panel中用了form布局
      {
       renderTo:'paneldiv',
       title:'容器组件',
       layout:'accordion',      
       width:500,
       height:200,
       layoutConfig:{animate:false},
       items:[
        {title:'元素1',html:''},
        {title:'元素2',html:''},
        {title:'元素3',html:''},
        {title:'元素4',html:''}
       ]
      }
     );
});



anchor 这个效果具体还不知道有什么用，就是知道注意一下
1.容器内的组件要么指定宽度，要么在anchor中同时指定高/宽，
2.anchor值通常只能为负值(指非百分比值)，正值没有意义，
3.anchor必须为字符串值

Java代码
Ext.onReady(function() {   
        var panel1 = new Ext.Panel({   
            title: "panel1",   
            height: 100,   
            anchor: '-50',   
            html: "高度等于100，宽度=容器宽度-50"  
        });   
  
        var panel2 = new Ext.Panel({   
            title: "panel2",   
            height: 100,   
            anchor: '50%',   
            html: "高度等于100,宽度=容器宽度的50%"  
  
        });   
  
        var panel3 = new Ext.Panel({   
            title: "panel3",   
            anchor: '-10, -250',   
            html: "宽度=容器宽度-10,高度=容器宽度-250"  
  
        });   
  
        var win = new Ext.Window({   
            title: "Anchor Layout",   
            height: 400,   
            width: 400,   
            plain: true,                       
            layout: 'anchor',   
            items: [panel1, panel2,panel3]               
        });   
        win.show();   
    }); 
Ext.onReady(function() {
        var panel1 = new Ext.Panel({
            title: "panel1",
            height: 100,
            anchor: '-50',
            html: "高度等于100，宽度=容器宽度-50"
        });

        var panel2 = new Ext.Panel({
            title: "panel2",
            height: 100,
            anchor: '50%',
            html: "高度等于100,宽度=容器宽度的50%"

        });

        var panel3 = new Ext.Panel({
            title: "panel3",
            anchor: '-10, -250',
            html: "宽度=容器宽度-10,高度=容器宽度-250"

        });

        var win = new Ext.Window({
            title: "Anchor Layout",
            height: 400,
            width: 400,
            plain: true,                   
            layout: 'anchor',
            items: [panel1, panel2,panel3]           
        });
        win.show();
    });



border 将容器分为五个区域:east,south,west,north,center

Java代码
Ext.onReady(function() {        
  
        var button = Ext.get('show-btn');   
        var win;   
           
        button.on('click', function() {   
  
            //创建TabPanel   
            var tabs = new Ext.TabPanel({   
                region: 'center', //border布局，将页面分成东，南，西，北，中五部分，这里表示TabPanel放在中间   
                margins: '3 3 3 0',   
                activeTab: 0,   
                defaults: {   
                    autoScroll: true  
                },   
                items: [{   
                    title: 'Bogus Tab',   
                    html: "第一个Tab的内容."  
                }, {   
                    title: 'Another Tab',   
                    html: "我是另一个Tab"  
                }, {   
                    title: 'Closable Tab',   
                    html: "这是一个可以关闭的Tab",   
                    closable: true  
}]   
                });   
  
                //定义一个Panel   
                var nav = new Ext.Panel({   
                    title: 'Navigation',   
                    region: 'west', //放在西边，即左侧   
                    split: true,   
                    width: 200,   
                    collapsible: true, //允许伸缩   
                    margins: '3 0 3 3',   
                    cmargins: '3 3 3 3'  
                });   
  
                //如果窗口第一次被打开时才创建   
                if (!win) {   
                    win = new Ext.Window({   
                        title: 'Layout Window',   
                        closable: true,   
                        width: 600,   
                        height: 350,   
                        border : false,   
                        plain: true,   
                        layout: 'border',   
                        closeAction:'hide',   
                        items: [nav, tabs]//把上面创建的panel和TabPanel放在window中，并采用border方式布局   
                    });   
                }   
                win.show(button);   
            });   
        }); 
Ext.onReady(function() {    

        var button = Ext.get('show-btn');
        var win;
       
        button.on('click', function() {

            //创建TabPanel
            var tabs = new Ext.TabPanel({
                region: 'center', //border布局，将页面分成东，南，西，北，中五部分，这里表示TabPanel放在中间
                margins: '3 3 3 0',
                activeTab: 0,
                defaults: {
                    autoScroll: true
                },
                items: [{
                    title: 'Bogus Tab',
                    html: "第一个Tab的内容."
                }, {
                    title: 'Another Tab',
                    html: "我是另一个Tab"
                }, {
                    title: 'Closable Tab',
                    html: "这是一个可以关闭的Tab",
                    closable: true
}]
                });

                //定义一个Panel
                var nav = new Ext.Panel({
                    title: 'Navigation',
                    region: 'west', //放在西边，即左侧
                    split: true,
                    width: 200,
                    collapsible: true, //允许伸缩
                    margins: '3 0 3 3',
                    cmargins: '3 3 3 3'
                });

                //如果窗口第一次被打开时才创建
                if (!win) {
                    win = new Ext.Window({
                        title: 'Layout Window',
                        closable: true,
                        width: 600,
                        height: 350,
                        border : false,
                        plain: true,
                        layout: 'border',
                        closeAction:'hide',
                        items: [nav, tabs]//把上面创建的panel和TabPanel放在window中，并采用border方式布局
                    });
                }
                win.show(button);
            });
        });



card 像安装向导一样，一张一张显示

Java代码
Ext.onReady(function() {   
  
        var i = 0;   
  
        var navHandler = function(direction) {   
            if (direction == -1) {   
                i--;   
                if (i < 0) { i = 0; }   
            }   
  
            if (direction == 1) {   
                i++;   
                if (i > 2) { i = 2; return false; }   
            }   
  
  
            var btnNext = Ext.get("move-next").dom.document.getElementsByTagName("button")[1];   
            var btnBack = Ext.get("move-next").dom.document.getElementsByTagName("button")[0];   
  
            if (i == 0) {   
                btnBack.disabled = true;   
            }   
            else {   
                btnBack.disabled = false;   
            }   
  
            if (i == 2) {   
                btnNext.value = "完成";   
                btnNext.disabled = true;   
            }   
            else {   
                btnNext.value = "下一步";   
                btnNext.disabled = false;   
            }   
  
            card.getLayout().setActiveItem(i);   
  
        };   
  
  
        var card = new Ext.Panel({   
            width: 200,   
            height: 200,   
            title: '注册向导',   
            layout: 'card',   
            activeItem: 0, // make sure the active item is set on the container config!   
            bodyStyle: 'padding:15px',   
            defaults: {   
                border: false  
            },   
            bbar: [   
                {   
                    id: 'move-prev',   
                    text: '上一步',   
                    handler: navHandler.createDelegate(this, [-1])                       
                },   
                '->',   
                {   
                    id: 'move-next',   
                    text: '下一步',   
                    handler: navHandler.createDelegate(this, [1])   
                }   
            ],   
  
            items: [{   
                id: 'card-0',   
                html: '<h1>欢迎来到注册向导!</h1><p>Step 1 of 3</p>'  
            }, {   
                id: 'card-1',   
                html: '<h1>请填写注册资料!</h1><p>Step 2 of 3</p>'  
            }, {   
                id: 'card-2',   
                html: '<h1>注册成功!</h1><p>Step 3 of 3 - Complete</p>'  
}],   
  
                renderTo: "container"  
            });   
  
  
  
        }); 
Ext.onReady(function() {

        var i = 0;

        var navHandler = function(direction) {
            if (direction == -1) {
                i--;
                if (i < 0) { i = 0; }
            }

            if (direction == 1) {
                i++;
                if (i > 2) { i = 2; return false; }
            }


            var btnNext = Ext.get("move-next").dom.document.getElementsByTagName("button")[1];
            var btnBack = Ext.get("move-next").dom.document.getElementsByTagName("button")[0];

            if (i == 0) {
                btnBack.disabled = true;
            }
            else {
                btnBack.disabled = false;
            }

            if (i == 2) {
                btnNext.value = "完成";
                btnNext.disabled = true;
            }
            else {
                btnNext.value = "下一步";
                btnNext.disabled = false;
            }

            card.getLayout().setActiveItem(i);

        };


        var card = new Ext.Panel({
            width: 200,
            height: 200,
            title: '注册向导',
            layout: 'card',
            activeItem: 0, // make sure the active item is set on the container config!
            bodyStyle: 'padding:15px',
            defaults: {
                border: false
            },
            bbar: [
                {
                    id: 'move-prev',
                    text: '上一步',
                    handler: navHandler.createDelegate(this, [-1])                   
                },
                '->',
                {
                    id: 'move-next',
                    text: '下一步',
                    handler: navHandler.createDelegate(this, [1])
                }
            ],

            items: [{
                id: 'card-0',
                html: '<h1>欢迎来到注册向导!</h1><p>Step 1 of 3</p>'
            }, {
                id: 'card-1',
                html: '<h1>请填写注册资料!</h1><p>Step 2 of 3</p>'
            }, {
                id: 'card-2',
                html: '<h1>注册成功!</h1><p>Step 3 of 3 - Complete</p>'
}],

                renderTo: "container"
            });



        });



column 把整个容器看成一列,然后向容器放入子元素时

Java代码
Ext.onReady(function() {   
        var win = new Ext.Window({   
            title: "Column Layout",   
            height: 300,   
            width: 400,   
            plain: true,   
            layout: 'column',   
            items: [{   
                title:"width=50%",   
                columnWidth:0.5,   
                html:"width=(容器宽度-容器内其它组件固定宽度)*50%",   
                height:200  
            },   
            {   
                title:"width=250px",   
                width: 200,   
                height:100,   
                html:"固定宽度为250px"  
            }               
            ]   
        });   
        win.show();   
    }); 
Ext.onReady(function() {
        var win = new Ext.Window({
            title: "Column Layout",
            height: 300,
            width: 400,
            plain: true,
            layout: 'column',
            items: [{
                title:"width=50%",
                columnWidth:0.5,
                html:"width=(容器宽度-容器内其它组件固定宽度)*50%",
                height:200
            },
            {
                title:"width=250px",
                width: 200,
                height:100,
                html:"固定宽度为250px"
            }           
            ]
        });
        win.show();
    });



fit 一个子元素将充满整个容器（如果多个子元素则只有一个元素充满整个容器）

Java代码
Ext.OnReady(function(){   
var panel=new Ext.Panel(   
      {   
       renderTo:'paneldiv',   
       title:'容器组件',   
       layout:'fit',   
       width:500,   
       height:100,   
       items:[   
        {title:'子元素1'},   
        {title:'子元素2'},   
        {title:'子元素3'},   
        {title:'子元素4'},   
        {title:'子元素5'}   
       ]   
      }   
     );   
}); 
Ext.OnReady(function(){
var panel=new Ext.Panel(
      {
       renderTo:'paneldiv',
       title:'容器组件',
       layout:'fit',
       width:500,
       height:100,
       items:[
        {title:'子元素1'},
        {title:'子元素2'},
        {title:'子元素3'},
        {title:'子元素4'},
        {title:'子元素5'}
       ]
      }
     );
});

form 是一种专门用于管理表单中输入字段的布局

Java代码
Ext.onReady(function() {   
        var win = new Ext.Window({   
            title: "form Layout",   
            height: 150,   
            width: 230,   
            plain: true,   
            bodyStyle: 'padding:15px',   
            items:    
            {   
                xtype: "form",   
                labelWidth: 30,   
                defaultType: "textfield",   
                frame:true,   
                items:    
                [   
                    {   
                        fieldLabel:"姓名",   
                        name:"username",   
                        allowBlank:false  
                    },   
                    {   
                        fieldLabel:"呢称",   
                        name:"nickname"  
                    },   
                    {   
                        fieldLabel: "生日",   
                        xtype:'datefield',   
                        name: "birthday",   
                        width:127  
                    }   
                ]   
            }   
        });   
        win.show();   
    }); 
Ext.onReady(function() {
        var win = new Ext.Window({
            title: "form Layout",
            height: 150,
            width: 230,
            plain: true,
            bodyStyle: 'padding:15px',
            items:
            {
                xtype: "form",
                labelWidth: 30,
                defaultType: "textfield",
                frame:true,
                items:
                [
                    {
                        fieldLabel:"姓名",
                        name:"username",
                        allowBlank:false
                    },
                    {
                        fieldLabel:"呢称",
                        name:"nickname"
                    },
                    {
                        fieldLabel: "生日",
                        xtype:'datefield',
                        name: "birthday",
                        width:127
                    }
                ]
            }
        });
        win.show();
    });



table 按照普通表格的方法布局子元素，用layoutConfig:{columns:3},//将父容器分成3列

Java代码
Ext.onReady(function(){   
var panel=new Ext.Panel(   
      {   
       renderTo:'paneldiv',   
       title:'容器组件',   
       layout:'table',          
       width:500,   
       height:200,   
       layoutConfig:{columns:3},//将父容器分成3列   
       items:[   
        {title:'元素1',html:'ssssssssss',rowspan:2,height:100},   
        {title:'元素2',html:'dfffsddsdfsdf',colspan:2},   
        {title:'元素3',html:'sdfsdfsdf'},   
        {title:'元素4',html:''}   
       ]   
      }   
     );   
});